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r � <br /> Chevron C :4 � �-:ix m <br /> 0. <br /> Chevron U.S A: Products Company OCT 0 7 1992 <br /> 2410 Camino Ramon,San Ramon,Califomia Phone (510) 842-9500 <br /> Mail Address: PO.Box 5004,San Ramon,CA 9450-0804 ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICE <br /> September 30_1992 <br /> Ms:Mary Ways <br /> SanJoaquin County Environmental.Health. <br /> P.O.-Box-2009 <br /> Stockton, CA:95201 <br /> Re: Chevron Station#9-0557 139`S6uth Center Street Stockton CA <br /> Attached,groundwater-monitoring report for the second quarter 1992 <br /> Dear Ms. Meays: <br /> Attached is a report dated-September 3, 1992; which was prepared by Chevron's consultant, <br /> Groundwater Technology Inc. (GTI), to describe groundwater monitoring performed at the subject <br /> site on:July ,10, '1992: The site groundwater gradient direction_and the,levels of dissolved <br /> hydrocarbons in-monitoring wells MW-3 and MNV-4 weresimilar_to.previous observations at the <br /> site: <br /> Chevron :recognizes-.the; unusual levels of dissolved hydrocarbons appearing this quarter in <br /> monitoring wells MW-4 and MW-2. Additional data-to be'collected in subsequent ground water <br /> monitoring events should assist in the further interpretation ofthese:dissolved hydrocarbon-levels. <br /> If you1ave any questions or comments, I can be reached at(510) 842-8695. <br /> Sincerely, <br /> Brett L. -Hunter; <br /> Environmental Engineer <br /> Site Assessment and Remediation <br /> Attachments <br /> cc Elizabeth Thayer, Central Valley,RWQCB, Sacramento-, CA . <br /> Van Hartnitt, Greyhound Lines, 901 Main,St., Suite 2400, Dallas,TX 75202 <br />